Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Chapter 20, Problem 25R
What is the minimum and maximum length a part can be if it is shown as needing to be
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Procedure:1- Cartesian system, 2D3D,type of support2- Free body diagram3 - Find the support reactions4- If you find a negativenumber then flip the force5- Find the internal force3D∑Fx=0∑Fy=0∑Fz=0∑Mx=0∑My=0\Sigma Mz=02D\Sigma Fx=0\Sigma Fy=0\Sigma Mz=05- Use method of sectionand cut the elementwhere you want to find
Procedure:1- Cartesian system, 2D3D,type of support2- Free body diagram3 - Find the support reactions4- If you find a negativenumber then flip the force5- Find the internal force3D∑Fx=0∑Fy=0∑Fz=0∑Mx=0∑My=0\Sigma Mz=02D\Sigma Fx=0\Sigma Fy=0\Sigma Mz=05- Use method of sectionand cut the elementwhere you want to findthe internal force andkeep either side of the
Procedure:
1- Cartesian system, 2D3D,
type of support
2- Free body diagram
3 - Find the support reactions
4- If you find a negative
number then flip the force
5- Find the internal force
3D
∑Fx=0
∑Fy=0
∑Fz=0
∑Mx=0
∑My=0
ΣMz=0
2D
ΣFx=0
ΣFy=0
ΣMz=0
5- Use method of section
and cut the element
where you want to find
the internal force and
keep either side of the
Chapter 20 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 20 - What are two ways math is most commonly used in...Ch. 20 - What is the two-letter abbreviation for the metric...Ch. 20 - List factors that affect the cost of producing...Ch. 20 - List three examples of whole numbers.Ch. 20 - List three examples of decimal fractions.Ch. 20 - List three examples of a mixed unit.Ch. 20 - List three examples of fractions.Ch. 20 - Add the following angles: a. 3050+205 b. 2525+6245Ch. 20 - Subtract the following angles: a. 45481020 b....Ch. 20 - Using the Pythagorean theorem, find c if a=6 and...
Ch. 20 - Sketch a right triangle, equilateral triangle, and...Ch. 20 - Find the area of the following: a. Square that is...Ch. 20 - Find the volume of the following: a. 5 cube b. 10...Ch. 20 - What would the labor cost be if 20 hours were...Ch. 20 - What is the first step in the sequence of...Ch. 20 - If you need two pieces of pipe—one must be 15 ft...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many feet of scrap pipe will you have left...Ch. 20 - How much scrap pipe will you have once you cut out...Ch. 20 - When the denominators of two fractions to be added...Ch. 20 - How thick will the finished part be if two pieces...Ch. 20 - How much metal is left if 1/8 in. is ground off a...Ch. 20 - What is a dimensioning tolerance?Ch. 20 - What is the minimum and maximum length a part can...Ch. 20 - Give examples of welding applications where angles...Ch. 20 - Write the Pythagorean Theorem formula for a right...Ch. 20 - What is the name of a triangle where all three...Ch. 20 - Why is it important to know the perimeter...Ch. 20 - In what welding applications might you need to...Ch. 20 - List examples of fixed and variable costs that...Ch. 20 - List examples of overhead costs that a welding...Ch. 20 - When estimating weld cost, what weld joint design...Ch. 20 - When a weld is oversized, what joint failure...Ch. 20 - How does the bevel angle in a groove weld affect...Ch. 20 - What is the cross-sectional area of a V-groove...Ch. 20 - What is the cross-sectional area of a fillet weld...Ch. 20 - What two amounts must be multiplied to determine...Ch. 20 - How many pounds of steel electrode are required to...Ch. 20 - Not every pound of electrode filler metal used is...Ch. 20 - What does it mean if an electrode has a 50...Ch. 20 - What is the meaning of the term deposition rate?Ch. 20 - What factor is not included in the deposition...Ch. 20 - Why do flux cored wires have a higher deposition...Ch. 20 - If a welding project has a 45% operating factor,...
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- Procedure:1- Cartesian system, 2D3D,type of support2- Free body diagram3 - Find the support reactions4- If you find a negativenumber then flip the force5- Find the internal force3D∑Fx=0∑Fy=0∑Fz=0∑Mx=0∑My=0\Sigma Mz=02D\Sigma Fx=0\Sigma Fy=0\Sigma Mz=05- Use method of sectionand cut the elementwhere you want to findthe internal force andkeep either side of thearrow_forwardProcedure: 1- Cartesian system, 2(D)/(3)D, type of support 2- Free body diagram 3 - Find the support reactions 4- If you find a negative number then flip the force 5- Find the internal force 3D \sum Fx=0 \sum Fy=0 \sum Fz=0 \sum Mx=0 \sum My=0 \Sigma Mz=0 2D \Sigma Fx=0 \Sigma Fy=0 \Sigma Mz=0 5- Use method of section and cut the element where you want to find the internal force and keep either side of the sectionarrow_forwardProcedure: 1- Cartesian system, 2(D)/(3)D, type of support 2- Free body diagram 3 - Find the support reactions 4- If you find a negative number then flip the force 5- Find the internal force 3D \sum Fx=0 \sum Fy=0 \sum Fz=0 \sum Mx=0 \sum My=0 \Sigma Mz=0 2D \Sigma Fx=0 \Sigma Fy=0 \Sigma Mz=0 5- Use method of section and cut the element where you want to find the internal force and keep either side of the sectionarrow_forward
- For each system below with transfer function G(s), plot the pole(s) on the s-plane. and indicate whether the system is: (a) "stable" (i.e., a bounded input will always result in a bounded output), (b) "marginally stable," or (c) "unstable" Sketch a rough graph of the time response to a step input. 8 a) G(s) = 5-5 8 b) G(s) = c) G(s) = = s+5 3s + 8 s² - 2s +2 3s +8 d) G(s): = s²+2s+2 3s+8 e) G(s): = s² +9 f) G(s): 8 00 == Sarrow_forwardPlease answer the following question. Include all work and plase explain. Graphs are provided below. "Consider the Mg (Magnesium) - Ni (Nickel) phase diagram shown below. This phase diagram contains two eutectic reactions and two intermediate phases (Mg2Ni and MgNi2). At a temperature of 505oC, determine what the composition of an alloy would need to be to contain a mass fraction of 0.20 Mg and 0.80 Mg2Ni."arrow_forwardThe triangular plate, having a 90∘∘ angle at AA, supports the load PP = 370 lblb as shown in (Figure 1).arrow_forward
- Design a 4-bar linkage to carry the body in Figure 1 through the two positions P1 and P2 at the angles shown in the figure. Use analytical synthesis with the free choice values z = 1.075, q= 210°, ß2 = −27° for left side and s = 1.24, y= 74°, ½ = − 40° for right side. φ 1.236 P2 147.5° 210° 2.138 P1 Figure 1 Xarrow_forwardDesign a 4-bar linkage to carry the body in Figure 1 through the two positions P1 and P2 at the angles shown in the figure. Use analytical synthesis with the free choice values z = 1.075, q= 210°, B₂ = −27° for left side and s = 1.24, y= 74°, ½ = − 40° for right side. 1.236 P2 147.5° 210° P1 Figure 1 2.138 Xarrow_forwardcan you explain how in a coordinate frame transformation: v = {v_n}^T {n-hat} and then it was found that {n-hat} = [C]^T {b-hat} so v_n = {v_n}^T [C]^T {b-hat}, how does that equation go from that to this --> v_n = [C]^T v_barrow_forward
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